Add to Cart Quick view Collins 51S-1 T8 And 75S-3 / B / C T7 Audio Transformer P/N 667-0302-000 BRAND NEW in Box! Collins MSRP: Now: $99.99 Was: This Collins 51S-1 T8 & 75S-3 T7 Audio Transformer P/N 667-0302-000, is BRAND NEW in the Box! This very hard to find Audio Transformer, is for the Collins 51S-1, 75S-3, 75S-3B and 75S-3C receivers. It may also be used for a host of other receivers... MSRP: Now: $99.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $99.99 Was: Subtotal: Add to Cart